Bobcat 843 Skid Steer Loader - Parts, Specs & Serial Numbers

Description:

The Bobcat 843 Skid Steer Loader is a robust, heavy-duty machine built for demanding applications in construction, demolition, and industrial work. Featuring a powerful diesel engine and hydrostatic transmission, the 843 offers exceptional breakout force, lift capacity, and durability. Its spacious cab and straightforward design make it a favorite for operators needing a reliable loader with strong hydraulic performance and simplified service access.

Specifications & Features:

• Engine: Isuzu 4JB1, 4-cylinder liquid-cooled diesel

• Engine Power: 54 hp @ 2,300 RPM

• Hydraulic Pressure: 2,300 psi

• Pump Flow: 14.5 GPM

• Rated Operating Capacity: 1,700 lbs

• Operating Weight: 6,290 lbs

• Lift Type: Radial lift

• Transmission: Hydrostatic drive, dual-lever controls

• Travel Speed: 6.6 mph

• Tires: 10x16.5 standard

Common Maintenance Needs:

• Hydraulic cylinder seal kits – for both lift and tilt cylinders – Shop Bobcat 843 Hydraulic Kits

• Isuzu 4JB1 engine parts – air, fuel, oil filters, glow plugs, and belts – Find Isuzu Engine Parts

• Hydraulic hoses and quick couplers – inspect for cracking or leakage

• Cooling system – clean radiator and check thermostat and water pump

Common Issues & Quick Fixes:

• Lift arms or tilt drifting: Worn cylinder seals or faulty hydraulic valve

• Hard starts in cold: Replace glow plugs or check starter solenoid

• Overheating: Clean radiator and verify fan operation and belt condition

• Hydrostatic drive hesitation: Check fluid level and condition, replace filters

Pro Tips:

• Always change hydraulic fluid and filters every 250 hours to prevent wear

• Use anti-gel diesel additive in cold climates to avoid fuel system blockages

• Grease all pins, pivots, and lift points every 10 hours for smooth operation

• Replace quick couplers if hydraulic attachments feel weak or sluggish

Serial Number Location:

The serial number plate is located on the inside of the loader frame near the engine compartment or under the left side control lever in the cab.